42023235 has 32 divisors (see below), whose sum is σ = 71608320. Its totient is φ = 20971008.

The previous prime is 42023227. The next prime is 42023239. The reversal of 42023235 is 53232024.

It is not a de Polignac number, because 42023235 - 2³ = 42023227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42023239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56496 + ... + 57234.

It is an arithmetic number, because the mean of its divisors is an integer number (2237760).

Almost surely, 2^42023235 is an apocalyptic number.

42023235 is a deficient number, since it is larger than the sum of its proper divisors (29585085).

42023235 is a wasteful number, since it uses less digits than its factorization.

42023235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 42023235 is about 6482.5330697190. The cubic root of 42023235 is about 347.6667522586. Note that the first 3 decimals are identical.

Adding to 42023235 its reverse (53232024), we get a palindrome (95255259).

The spelling of 42023235 in words is "forty-two million, twenty-three thousand, two hundred thirty-five".